2429397640261 has 16 divisors (see below), whose sum is σ = 2445650512000. Its totient is φ = 2413204291008.

The previous prime is 2429397640247. The next prime is 2429397640277. The reversal of 2429397640261 is 1620467939242.

It is a cyclic number.

It is not a de Polignac number, because 2429397640261 - 2⁷ = 2429397640133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2429397640361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391898440 + ... + 391904638.

It is an arithmetic number, because the mean of its divisors is an integer number (152853157000).

Almost surely, 2^{2429397640261} is an apocalyptic number.

It is an amenable number.

2429397640261 is a deficient number, since it is larger than the sum of its proper divisors (16252871739).

2429397640261 is a wasteful number, since it uses less digits than its factorization.

2429397640261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10588.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 2429397640261 in words is "two trillion, four hundred twenty-nine billion, three hundred ninety-seven million, six hundred forty thousand, two hundred sixty-one".